Hair dryer



FIG. 1 is a front view of a hair dryer, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, top and left side perspective view thereof; and,

FIG. 8 is a rear, top and right side view thereof.

The broken lines shown in the drawings illustrate portions of the hair dryer that form no part of the claimed design. 

CLAIM The ornamental design for a hair dryer, as shown and described. 